Home / 15,203.70-22,805.28-12,710.52

Finding the Fourth Proportional to 15,203.70, 22,805.28 and 12,710.52

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Solution

The fourth proportional to 15,203.70, 22,805.28 and 12,710.52 is: 19,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,203.70 : 22,805.28 = 12,710.52 : x
  2. Step 2: Convert to fraction form
    15,203.70/22,805.28 = 12,710.52/x
  3. Step 3: Cross multiply
    15,203.70x = 22,805.28 × 12,710.52
  4. Step 4: Simplify right side
    15,203.70x = 289,866,967.55
  5. Step 5: Solve for x
    x = 289,866,967.55/15,203.70
  6. Step 6: Final answer
    x = 19,065.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.